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Finding the Fourth Proportional to 29,364.40, 43,956.60 and 16,176.40

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Solution

The fourth proportional to 29,364.40, 43,956.60 and 16,176.40 is: 24,215.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,364.40 : 43,956.60 = 16,176.40 : x
  2. Step 2: Convert to fraction form
    29,364.40/43,956.60 = 16,176.40/x
  3. Step 3: Cross multiply
    29,364.40x = 43,956.60 × 16,176.40
  4. Step 4: Simplify right side
    29,364.40x = 711,059,544.24
  5. Step 5: Solve for x
    x = 711,059,544.24/29,364.40
  6. Step 6: Final answer
    x = 24,215.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.